Chore-Time Chore-Tronics 3 Control, Инструкция по установке и эксплуатации, Страница: 120 / 142

Troubleshooting Chore-Tronics® 3 Control
120
MT2398C
Equipment and Potentiometer Troubleshooting Continued.....
Problem Possible Cause Possible Solution
Pot not responding alarm (exter-
nal pot)
A.) Main Curtain cable and/or
Potentiometer cable caught,
or broken.
B.) Return spring frozen or broke
inside Potentiometer assem-
bly.
C.) Potentiometer not connected
to Control and/or bad connec-
tion between Potentiometer
and Control.
D.) Bad Potentiometer.
E.) First Opening movement too
small.
A.) Make sure that both the Main
Curtain cable and the Potenti-
ometer cable can move freely.
Make sure Potentiometer
cable does not drag on grom-
met. Make sure there is ade-
quate weight to keep Main
Curtain cable taught.
B.) Check Cable wrap on wheel.
Repair or replace spring.
C.) Connect Potentiometer to the
Control and/or look for bad
connection and correct.
D.) Replace Potentiometer
E.) Make Sure that the first open-
ing movement causes at least
a 10-count change Potentiom-
eter reading.
Pot outside limits alarm (internal
pot) .
A.) Potentiometer has not been
calibrated (especially new
installations).
B.) Gear not making contact with
screw.
C.) Limit switch(es) has been
moved on the Curtain
machine.
D.) Potentiometer not connected
to Control and/or bad connec-
tion between Potentiometer
and Control.
E.) Bad Potentiometer.
A.) Go to the "Setup" screen and
scroll down to the Main Cur-
tain calibration to set up the
open and close limits of the
Curtain.
B.) Loosen Potentiometer assem-
bly mounting bolts and slide
until gear makes contact with
the screw.
C.) If limit switches have been
moved, then re-calibration is
required.
D.) Connect Potentiometer to the
Control and/or look for bad
connection and correct.
E.) Replace Potentiometer.